AMD Radeon HD 6490M Mac Edition vs AMD Radeon HD 8550M

VS

AMD Radeon HD 6490M Mac Edition

AMD Radeon HD 8550M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM Radeon HD 8550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M Mac Edition 's Advantages

Larger VRAM bandwidth (25.41GB/s vs 14.40GB/s)

AMD Radeon HD 8550M 's Advantages

Released 3 years and 2 months late

Boost Clock850MHz

More VRAM (1024GB vs 256GB)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon HD 8550M +126%

0.544 TFLOPS

Radeon HD 6490M Mac Edition

VS

Radeon HD 8550M

Graphics Card

May 2011

Release Date

Jul 2014

Vancouver

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

850 MHz

794 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.41GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

5

-

160

Shading Units

320

8

TMUs

20

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

6.800 GPixel/s

6.000 GTexel/s

Texture Rate

17.00 GTexel/s

-

240.0 GFLOPS

FP32 (float)

544.0 GFLOPS

-

FP64 (double)

34.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Seymour

GPU Name

Sun

Seymour XTX M2 (216-0809000)

GPU Variant

Sun S3 LE (216-0841036)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

0.69 billion

67 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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